Method and system for correcting errors of measurement in tire u

Details Method and system for correcting errors of measurement in tire u Method and system for correcting errors of measurement in tire u

1982-02-23

1983-09-20

Woodiel, Donald O.

Measuring and testing

Tire, tread or roadway

Tire inflation testing installation

G01M 1702

Patent

active

044048491

ABSTRACT:
A method for correcting errors of measurement due to variations in tire pressure in a tire uniformity inspecting operation, wherein a tire is inflated and rotated between a pair of rims and a load wheel is pressed against the tire and a radial force variation of said tire is measured, including: detecting a deviation of actual air pressure of the tire from a predetermined measuring pressure level to determine a correction coefficient; calculating a value of tire uniformity from the measured value of radial force variation according to the predetermined measuring pressure level; multiplying the calculated value of uniformity by the correction coefficient to compensate for any erroneous component due to a variation in the tire pressure.

REFERENCES:
patent: 4223386 (1980-09-01), Maruyama et al.

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